<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/react.development.js"></script>
    <script src="../js/react-dom.development.js"></script>
    <script src="../js/babel.min.js"></script>
    <style>
        .active {
          color: rgb(43, 123, 192);
        }
    </style>
</head>
<body>
    <div id="app"></div>
    <script type="text/babel">/* 告诉babel编译内部的jsx代码 */
    // 创建虚拟DOM  使用JSX => 需要 babel编译后运行
    const vDom=<div>
            <h2 title='aaa'>bb</h2>
            <p className='active'>cc</p>
        </div>
        //渲染虚拟DOM
        ReactDOM.render(vDom,document.getElementById('app'))
    </script>
</body>
</html>